paper backed strain gauge

例句：

1. 1. The engineer used a paper-backed strain gauge to measure the stress in the beam.
   工程师使用了一个纸背应变片来测量梁中的应力。
2. 2.The construction team used paper-backed strain gauges to monitor the building's progress.
   建筑团队使用纸背应变片来监测建筑物的进度。
3. 3. The scientist used a paper-backed strain gauge to detect changes in the material's properties.
   科学家使用一个纸背应变片来检测材料属性的变化。